Abnormal Event Detection in Video Based on Sparse Representation.
Xinlu ZongYijie ChenAiping LiuRuicheng LiShiqin LiuHan YuMin TanPublished in: ICCSE (2020)
Keyphrases
- sparse representation
- abnormal event detection
- abnormal events
- dictionary learning
- sparse coding
- image classification
- face recognition
- joint optimization
- negative matrix factorization
- daily life
- sparse approximations
- reconstruction error
- random projections
- high dimensional data
- image patches
- dimensionality reduction
- compressive sensing
- compressed sensing
- image representation
- data sets
- piecewise smooth
- computer vision
- regularized least squares
- abnormal behavior
- norm minimization
- sparse codes
- neural network
- sparse reconstruction
- feature selection
- image processing
- signal processing